What is the difference between DVD+R and DVD-R?

Solution DVD+ ("plus") and DVD- ("dash") are two competing DVD formats. You may remember the "war" between the Betamax and VHS formats for domination of the VCR market. The big difference with DVD+R vs. DVD-R is that there are hybrid (dual-format) drives capable of reading both types. Many companies have taken sides -- the DVD Forum is a group of manufacturers that support DVD-R, while the DVD+RW Alliance supports that format. Consumers have yet to make either format the winner.
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